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NHTSA Campaign 05V112000

SERVICE BRAKES, AIR:DISC:CHAMBER

Issued by MACK TRUCKS, INC · Reported Mar 24, 2005 · 291 vehicles affected

What's wrong

ON CERTAIN HEAVY DUTY CLASS 8 TRUCKS EQUIPPED WITH AIR SUSPENSION PROPRIETARY AXLES AND ADJUSTABLE LENGH TORQUE RODS, AN INTERFERENCE BETWEEN THE ADJUSTABLE TORQUE ROD AND THE BRAKE CHAMBER ON THE LEFT SIDE OF THE CHASSIS MAY EXIST. THE SPRING BRAKE CHAMBER CLAMP RING COULD POSSIBLY BE DISTORTED OVER TIME RESULTING IN LOSS OF AIR, WHICH COULD LEAD TO THE SPRING BRAKE AT THE CHAMBER BEING INADVERTENTLY APPLIED.

Consequence

BRAKING CAPABILITY WOULD BE DIMINISHED, INCREASING THE RISK OF A CRASH.

Remedy

DEALERS WILL REPAIR AND REPLACE THE ADJUSTABLE TORQUE ROD, WITH A FIXED LENGTH TORQUE ROD, INSPECT AND REPAIR THE BRAKE CHAMBER FREE OF CHARGE. THE RECALL BEGAN ON MAY 3, 2005. OWNERS MAY CONTACT MACK TRUCKS AT 610-709-2131.

Vehicles affected by this recall

Make Model Year Units
MACK CHN 2004 291
MACK CXN 2004 291

Source: NHTSA Campaign 05V112000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.